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Problem with Simulink + Arduino Uno

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Ignacio Gallego
Ignacio Gallego on 8 Jan 2016
Edited: Pam Re Lo on 21 Jun 2019
So, i have a real system "Ball and Beam" with 2 sensors of distance and 1 servo motor. What i want to do is to use an Arduino Uno board to read the analog inputs of my sensors and to write the position of the servomotor. This is just what i want arduino does.
At the same time i do a simulink model to process all algorithms because the memory of the arduino is not enough. I think (I am trying it) that i have to use the "External Mode" of Simulink to this.
I have created a subsystem that reads the sensors and send the position to servomotor, just like an I/O interface and i have deployed this subsystem to the Arduino, and it works.
The problem comes when i want to run the hole model in simulink (i supose that the processor of the computer has to do this work), it seems that Arduino is trying to run the hole model because it sends this message: "Not enough memory on target to run this packet:SET_EXTPARAM"
Can anyone help me?
Sorry for my bad english

  1 Comment

Kartheek Suresh
Kartheek Suresh on 16 Nov 2016
Hey did you find solution around this problem! Do u mind sharing it :)

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Accepted Answer

Greg Drayer
Greg Drayer on 8 Jan 2016
Hola Ignacio. Podemos hablar en español. Por favor explica un poco más lo que quieres decir con:
"At the same time i do a simulink model to process all algorithms because the memory of the arduino is not enough. I think (I am trying it) that i have to use the "External Mode" of Simulink to this."
Arduino UNO tiene sólo 32 KB, por lo que su capacidad para ejecutar modelos de Simulink en "External mode" es limitada.
¿Cuál versión (release) de MATLAB estás usando?

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Ignacio Gallego
Ignacio Gallego on 8 Jan 2016
Estoy usando la 2015b Academic use
Marian Serna Imbachi
Marian Serna Imbachi on 13 Jun 2018
encontraste alguna solución ?.
Pam Re Lo
Pam Re Lo on 21 Jun 2019
Hola. Serìa de mucha ayuda que compartas si lograste solucionar tu problema, ya que me pasò algo parecido.
Estoy controlando la velocidad de giro de un motor, con un arduino Uno como interface, y con simulink. Ahi lo estoy sometiendo a distintas referencias. En simulink puse bloques de fuentes Seno , rampla, y Constante , otros bloques de Gain, ademàs de Scopes y algunos Display, Bloque PWM y Analog Input.
De ante mano gracias.

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